CN219734308U - Assembly type pneumatic low-pressure stop valve water diversion assembly - Google Patents

Abstract

The utility model relates to an assembled pneumatic low-pressure stop valve water diversion assembly, which belongs to the technical field of water diversion assemblies, and comprises a fixed bottom plate, wherein a plurality of split valve seats are detachably connected to the fixed bottom plate along the length direction of the fixed bottom plate, the split valve seats are connected in series, a water inlet channel and a water outlet channel are arranged in each split valve seat, the water inlet channels of the split valve seats are communicated, and each split valve seat is provided with a pneumatic stop valve for opening and closing the corresponding water outlet channel.

Description

Assembly type pneumatic low-pressure stop valve water diversion assembly

Technical Field

The utility model relates to the technical field of water diversion assemblies, in particular to an assembled pneumatic low-pressure stop valve water diversion assembly.

Background

The sanitation cleaning vehicle cleans roads, the vehicle adopts a high-low pressure water spraying operation mode or a low-pressure water spraying operation mode, a low-pressure waterway system is controlled, a pneumatic cut-off valve is basically used in the market at present, a one-to-one control switch state is carried out for each water spraying point, the water distribution assembly is an indispensable core component of the sanitation cleaning vehicle for intensively and automatically controlling the switch of the water spraying points. At present, a water diversion assembly in the market is controlled by a ball valve, the power source for opening the ball valve is a linear cylinder, the structure is complex, and the ball valve and a pipeline of the cylinder are exposed and are easy to fail. In addition, because the number of water spraying points of the waterway is different according to the design requirement, the water diversion assembly with corresponding size is required to be designed according to different conditions, and the design cost and the maintenance cost are improved.

The patent publication No. CN210177431U discloses a novel cartridge pneumatic high-pressure stop valve water diversion assembly, and this water diversion assembly includes the bottom plate, is provided with electromagnetism pneumatic valve control box and valve piece on the bottom plate respectively, and the valve piece upper end is equipped with six pneumatic high-pressure stop valves, and pneumatic high-pressure stop valve one side is equipped with the manometer, and the manometer lower extreme is equipped with off-load valve and relief valve, and valve piece both sides are equipped with the end cap. The valve block in the water distribution assembly is of an integrated structure, cannot be adjusted according to the number requirements of water spraying points, is poor in universality and is high in replacement cost after damage. Therefore, in view of the current situation, it is important to develop an assembled pneumatic low-pressure stop valve water diversion assembly to solve the above problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the water distribution assembly of the assembled pneumatic low-pressure stop valve, which has the advantages of simple structure, strong universality, no need of specially customizing valve seats, adjustment of the size of the valve seats according to the number of water spraying points, and low replacement cost after damage.

In order to achieve the above purpose, the technical scheme adopted by the utility model for solving the technical problems is as follows: the assembly type pneumatic low-pressure stop valve water diversion assembly comprises a fixed bottom plate, a plurality of split valve seats are detachably connected to the fixed bottom plate along the length direction of the fixed bottom plate, the split valve seats are connected in series, a water inlet channel and a water outlet channel are arranged in each split valve seat, the water inlet channels of the split valve seats are communicated, and each split valve seat is provided with a pneumatic stop valve for enabling the corresponding water outlet channel to be opened and closed.

The bottom of the split valve seat is connected with the fixed bottom plate through a bolt assembly.

The split valve seats are connected through the cross connection of the transverse screw rods, and the two ends of the transverse screw rods are respectively in interference connection with the split valve seats on the outer sides through the nut assemblies so that the split valve seats are tightly connected.

The split valve seat is of a valve block structure, transverse through holes are respectively formed in the opposite corners of the two end faces of the split valve seat, and the transverse through holes are in plug-in fit with the transverse screw rods.

And sealing rings are arranged at the ends of the water inlet channels between two adjacent split valve seats.

The split valve seat is provided with the water inlet channel and the water outlet channel along the length direction and the width direction of the fixed bottom plate respectively, and the water inlet channel is connected with the water outlet channel through corresponding pneumatic stop valves.

The pneumatic stop valve and the water outlet channel are coaxially arranged, the end part of the pneumatic stop valve is provided with a return air port, and the split valve seat is provided with an air inlet connected with the pneumatic stop valve.

The beneficial effects of the utility model are as follows:

according to the utility model, by referring to the principle of high-pressure waterway control of the high-pressure washing and sweeping vehicle, the low-pressure waterway stop valve is spliced and assembled, so that the workload of a design scheme is simplified, waterway distribution control of a plurality of water spray points can be flexibly dealt with, a valve body is not required to be specially customized, the practicability and the universality are improved, the corresponding valve seat is convenient to replace after being damaged, and the maintenance cost is reduced.

Drawings

The contents of the drawings and the marks in the drawings of the present specification are briefly described as follows:

FIG. 1 is a schematic view of an assembled structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

the labels in the above figures are: 1. the valve comprises a fixed bottom plate, a split valve seat, a water inlet channel, a water outlet channel, a transverse through hole, a pneumatic stop valve, a transverse screw rod, a nut assembly, a sealing ring, a gas return port and a gas inlet.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The specific embodiments of the utility model are as follows: as shown in fig. 1 and 2, the utility model provides an assembled pneumatic low-pressure stop valve water diversion assembly, which comprises a fixed bottom plate 1, wherein a plurality of split valve seats 2 are detachably connected on the fixed bottom plate 1 along the length direction of the fixed bottom plate, the split valve seats 2 are connected in series, a water inlet channel 21 and a water outlet channel 22 are arranged in each split valve seat 2, the water inlet channels 21 of the split valve seats 2 are communicated, and a pneumatic stop valve 3 for opening and closing the corresponding water outlet channel 22 is arranged on each split valve seat 2. The assembled water distribution assembly simplifies the workload of the design scheme, can flexibly cope with the water distribution control of a plurality of water spray points, does not need to specially customize a valve body, improves the practicability and the universality, is convenient to replace after the corresponding valve seat is damaged, and reduces the maintenance cost.

Specifically, the bottom of the split valve seat 2 is connected with the fixed bottom plate 1 through a bolt assembly, so that the split valve seat 2 is convenient to install and detach.

Specifically, a plurality of split valve seats 2 therein are connected through a plurality of transverse screw rods 4 in a penetrating manner, namely, the split valve seats 2 are arranged into a valve block structure, transverse penetrating holes 23 are respectively formed in opposite angles of two end faces of the split valve seats 2, and the transverse penetrating holes 23 are matched with the transverse screw rods 4 in a plugging manner, so that the structure of the split valve seats 2 after being connected in series is more stable. Two ends of the transverse screw rod 4 are respectively in interference connection with the outer split valve seat 2 through nut assemblies 5 (comprising nuts, gaskets and the like) so as to tightly connect the split valve seats 2.

Specifically, the sealing ring 6 is arranged at the end part of the water inlet channel 21 between two adjacent split valve seats 2, so that the problem of water leakage at the joint of the water inlet channel 21 after the split valve seats 2 are connected is avoided, and the tightness is improved.

Specifically, the split valve seat 2 is provided with a water inlet channel 21 and a water outlet channel 22 along the length direction and the width direction of the fixed bottom plate 1, the water inlet channel 21 is connected with the water outlet channel 22 through a corresponding pneumatic stop valve 3, the water inlet channel 21 is communicated with the valve seat inner cavity of the pneumatic stop valve 3, a valve rod in the pneumatic stop valve 3 is opposite to the water outlet channel 22, and the valve rod can control the opening and the closing of the water outlet channel 22 through movement of the valve rod, but the opening of the water inlet channel 21 is not influenced.

The pneumatic stop valve 3 and the water outlet channel 22 are coaxially arranged, the end part of the pneumatic stop valve 3 is provided with an air return port 7, the split valve seat 2 is provided with an air inlet 8 connected with the pneumatic stop valve 3, the air inlet 8 and the air return port 7 belong to the conventional structure of the pneumatic stop valve 3, and after an air source enters from the air inlet 8, a piston in the pneumatic stop valve 3 can be pushed to act, so that a valve rod in the pneumatic stop valve acts, water outlet adjustment of a corresponding water spray point is realized, the air pressure in the pneumatic stop valve 3 can be ensured to be in a normal range by the air return port 7, and the normal operation of the pneumatic stop valve 3 is ensured.

The installation method of the water diversion assembly comprises the following steps: firstly, fixing a fixed bottom plate 1 at a designed position, and mounting one of the split valve seats 2 at one end of the fixed bottom plate 1 through a bolt assembly; then, a transverse screw rod 4 is connected to the assembled split valve seat 2 in a penetrating way, so that one end of the transverse screw rod 4 is pre-assembled with a nut assembly 5; then, the split valve seats 2 are sequentially connected with the transverse screw rod 4 in a penetrating way, so that the split valve seats 2 are separated by a certain distance, and the sealing rings 6 are arranged at the water inlet channels 21 between the adjacent split valve seats 2, so that the split valve seats 2 are in close contact; finally, a nut assembly 5 is pre-installed at the other end of the transverse screw rod 4, the nut assembly 5 is adjusted, the nut assemblies 5 at the two ends of the transverse screw rod 4 are used for pressing the split valve seats 2, and the split valve seats 2 installed at the back are installed on the fixed bottom plate 1 through bolt assemblies. After the installation, according to the design schematic diagram of the waterway system, the water inlet pipeline, the water outlet pipeline, the pneumatic stop valve 3, and related air inlet pipeline and air return pipeline are sequentially connected.

In summary, the utility model has simple structure and strong universality, does not need to specially customize the valve seat, adjusts the size of the valve seat according to the number requirement of water spraying points, and has low replacement cost after damage.

The foregoing is provided by way of illustration of the principles of the present utility model, and is not intended to be limited to the specific constructions and applications illustrated herein, but rather to all modifications and equivalents which may be utilized as fall within the scope of the utility model as defined in the claims.

Claims (7)

1. The utility model provides an assembled pneumatic low pressure stop valve water diversion assembly, its characterized in that, includes PMKD, the last a plurality of components of a whole that can function independently disk seat that are connected with of PMKD along its length direction, a plurality of components of a whole that can function independently disk seat establishes ties mutually, all is provided with inlet channel and outlet channel in every components of a whole that can function independently disk seat, and the inlet channel of a plurality of components of a whole that can function independently disk seat communicates mutually, all installs the pneumatic stop valve that makes corresponding outlet channel open and close on every components of a whole that can function independently disk seat.

2. The pneumatic low pressure shut-off valve water distribution assembly of claim 1, wherein: the bottom of the split valve seat is connected with the fixed bottom plate through a bolt assembly.

3. The pneumatic low pressure shut-off valve water distribution assembly of claim 1, wherein: the split valve seats are connected through the cross connection of the transverse screw rods, and the two ends of the transverse screw rods are respectively in interference connection with the split valve seats on the outer sides through the nut assemblies so that the split valve seats are tightly connected.

4. The pneumatic low pressure shut-off valve water distribution assembly of claim 3, wherein: the split valve seat is of a valve block structure, transverse through holes are respectively formed in the opposite corners of the two end faces of the split valve seat, and the transverse through holes are in plug-in fit with the transverse screw rods.

5. The pneumatic low pressure shut-off valve water distribution assembly of claim 1, wherein: and sealing rings are arranged at the ends of the water inlet channels between two adjacent split valve seats.

6. The pneumatic low pressure shut-off valve water distribution assembly of claim 1, wherein: the split valve seat is provided with the water inlet channel and the water outlet channel along the length direction and the width direction of the fixed bottom plate respectively, and the water inlet channel is connected with the water outlet channel through corresponding pneumatic stop valves.

7. The pneumatic low pressure shut-off valve water distribution assembly of claim 1, wherein: the pneumatic stop valve and the water outlet channel are coaxially arranged, the end part of the pneumatic stop valve is provided with a return air port, and the split valve seat is provided with an air inlet connected with the pneumatic stop valve.